package com.demo.writeable;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class FlowMapper extends Mapper<LongWritable, Text, Text, FlowBean> {

    private Text outK=new Text();
    private FlowBean outV =new FlowBean();

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        //1、获取一行
        String line = value.toString();
        //2、切割
        String[] split = line.split("\t");
        //3、抓取数据
        String phone = split[1];
        String up = split[split.length - 3];
        String down = split[split.length - 2];
        //4、封装
        outK.set(phone);
        outV.setUpFlow(Long.parseLong(up));
        outV.setDownFlow(Long.parseLong(down));
        outV.setSumFlow();
        // 5、写数据
        context.write(outK,outV);
    }
}
